package com.iee.rbac.security.config;

import com.fasterxml.jackson.databind.ObjectMapper;
import org.springframework.security.access.AccessDeniedException;
import org.springframework.security.web.access.AccessDeniedHandler;
import org.springframework.stereotype.Component;

import javax.servlet.ServletException;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.io.IOException;
import java.util.HashMap;

/**
 * 当访问接口没有权限时，自定义的返回结果
 * Created by macro on 2018/4/26.
 */
@Component
public class RestfulAccessDeniedHandler implements AccessDeniedHandler{
    @Override
    public void handle(HttpServletRequest request,
                       HttpServletResponse response,
                       AccessDeniedException e) throws IOException, ServletException {
        response.setCharacterEncoding("UTF-8");
        response.setContentType("application/json");
        // 请自定义返回值!!!这里是为了测试
        ObjectMapper objectMapper = new ObjectMapper();
        HashMap<String, String> map = new HashMap<>();
        map.put("code", "0");
        map.put("msg", "未授权");
        response.getWriter().println(objectMapper.writeValueAsString(map));
        response.getWriter().flush();
    }
}
